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Fishing Information

Blue River - at Silverthorne

59 cfs
4 mph
29 °F
Weather @COLORADO BASIN - Updated November 29, 2020 - 2:02pm by OpenWeather

Current River Flow Updates

Latest update: 11/25/2020 --

Flows below Dillon are 57.4 CFS. These are tough flows for the middle Blue, if you have the time, the drive to the section below Green Mountain reservoir would be well worth the extra few miles. Low and clear water is what you can expect during these flows. Sight fishing opportunities have been abundant throughout town- stay mobile and keep searching for those active fish, though keep a low profile, they're spooky! Water is cool and fish are eating a variety of insects. Pheasant tails, caddis larvae, mysis shrimp and san juan worms have been effective at different depths. Any basic midge pattern in sizes #18-24 are also working well. Don't hesitate to throw some streamers in the Blue - swim coaches, kreelex, and double gongas are producing nice fish in this section.

Historical River Flow

River Information

The Blue River through Silverthorne offers anglers the opportunity to catch a 20" trout in the morning and then shop at the Gap in the afternoon. While it may seem strange to park in an outlet mall's parking lot and get wadered up next to a family looking for some afternoon shopping, the fish that reside here can quickly refocus that distraction. This stretch of river sees considerable pressure, however the fish typically respond favorably to a good dead drift. Sight fishing opportunities are abound here and the fish are typically very aesthetically pleasing in coloration and size due to the protein rich diet provided by the dam of Dillon Reservoir.

Seasonal Conditions

In true tailwater fashion, the flies you need to catch fish here are typically the same year round. Nymphing will be the rule throughout the majority of the year, however some good summer dry fly fishing can exist given the right conditions. Midges, Baetis, Caddis and the ever aesthetically Mysis Shrimp should be your focus. Small streamers can also be protein-rich during the low light hours. This river is fishable year round and sees no shortage of anglers.

Additional River Information

Blue River at Silverthorne

COLORADO BASIN River Gauge View Detailed Information

  • Flow 59 cfs
  • Wind 4 mph
  • Temp 29 °F
  • High/Low 9/31

River access

The Blue River as it runs through Silverthorne is considered Gold Medal Water and is deemed Catch and Release using only artificial flies and lures. Access is plentiful in this area, particularly in and around the Outlet Mall. Once you get a bit North of Town, access does become more limited.


  • From Iron Bridge downstream to the Forest Service Building is all public water. Access is made particularly easy by using the bike path alongside the river.
  • Retreat on the Blue, access is limited to the west side of the river.
  • Blue River Run Development, access is limited to the west side of the river only, and anglers must enter easement entrances.
  • The Ponds Development, access is available on both sides of the river.
  • Cottonwood Park Access, access is limited to the west side of the river only.